(4R)-(+)-terpinen-4-ol
- musty ( odor evaluation by GC-olfactometry by
Nishimura); commercially available (+)-menthen-4-ol
is known to have a warm, peppery, mildly earthy,
musty-woody odor of moderate tenacity. The
earthy-musty notes are pleasantly green. Its
flowery character resembles that of alpha-terpineol
(from Delay & Ohloff).

NA

(4S)-p-mentha-1,8-dien-4-ol
- the odor is considerbly stronger than its
enantiomer and is dominated by a heavy, earthy,
urinous-animal tonality reminiscent of decaying
straw in a stable, the phenolic character being
comparable to that of methyl
3,6-dimethyl-resorcylate obtained from the
essential oil of oakmoss.

NA

(4R)-p-mentha-1,8-dien-4-ol
- when highly diluted, it has aflowery smell
reminiscent of freshly sliced cucumbers, but in
high concentrations this is accompanied by an
unpleasant metallic subnote

(2S,2'R,1''R)-Nectaryl
- Rather weak and uncharacteristic fruity-lactonic
odour with some additional resemblance of green
apple, it does not contribute much to the
commercial Nectaryl.

11.2 ng/L air

(2R,2'S,1''R)-Nectaryl
- Powerful, very intense, sweet and dry
fruity-lactonic odour in the direction of peach and
apricots, with some floral undertone, does
contribute much to the overall odour of commercial
Nectaryl.

0.094 ng/L air

(2S,2'S,1''R)-Nectaryl
- Rather weak and uncharacteristic fruity-lactonic
odour with some additional resemblance of green
apple, it does not contribute much to the
commercial Nectaryl.

14.9 ng/L air

(2R,2'R,1''R)-nectaryl
- Powerful, very intense, sweet and dry
fruity-lactonic odour in the direction of peach and
apricots, with some floral undertone, does
contribute much to the overall odour of commercial
Nectaryl.